GOST-112821-80 PN160-200 Alloy Steel Welding Neck Flange

GOST-112821-80 PN160-200 Alloy Steel Welding Neck Flange

GOST-112821-80 PN160-200 Alloy Steel Welding Neck Flange introduction

GOST-112821-80 PN160-200 Alloy Steel Welding Neck Flange is designed to be joined to a piping system by butt welding, including lots of specification. The bore of Welding Neck flange matches bore of the pipeline, reducing turbulence and erosion.